black ball alfred's cakes fungi growing on tree bark close up

alfred alfreds ascomycota ash autumn background ball balls black british cakes cap closeup coal common concentrica cramp daldinia decay edible fall flora food forest fungi fungus horizontal isles king macro mushroom mycology nature pezizomycotina photography plant poisonous rotten saprotroph shape sordariomycetes toadstool uk uncultivated woodland xylariaceae xylariales xylariomycetidae